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12001111031030 = 2511372948675929
BaseRepresentation
bin1010111010100011100111…
…1101011011110011110110
31120111021222001200022211212
42232220321331123303312
53033111233410443110
641305122335201422
72346023501431022
oct256507175336366
946437861608755
1012001111031030
113907708343970
121419a8b976272
136909139334b4
142d6bdd38d382
1515c29a734e05
hexaea39f5bcf6

12001111031030 has 32 divisors (see below), whose sum is σ = 24202732033440. Its totient is φ = 4246093336320.

The previous prime is 12001111031003. The next prime is 12001111031051. The reversal of 12001111031030 is 3013011110021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12001111030996 and 12001111031014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474333895 + ... + 1474342034.

It is an arithmetic number, because the mean of its divisors is an integer number (756335376045).

Almost surely, 212001111031030 is an apocalyptic number.

12001111031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001111031030 is an abundant number, since it is smaller than the sum of its proper divisors (12201621002410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001111031030 is a wasteful number, since it uses less digits than its factorization.

12001111031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948675984.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12001111031030 its reverse (3013011110021), we get a palindrome (15014122141051).

The spelling of 12001111031030 in words is "twelve trillion, one billion, one hundred eleven million, thirty-one thousand, thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 2948675929 5897351858 14743379645 29486759290 32435435219 64870870438 109101009373 162177176095 218202018746 324354352190 545505046865 1091010093730 1200111103103 2400222206206 6000555515515 12001111031030